Home / 31,572.78-43,570.14-17,425.32

Finding the Fourth Proportional to 31,572.78, 43,570.14 and 17,425.32

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Solution

The fourth proportional to 31,572.78, 43,570.14 and 17,425.32 is: 24,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.78 : 43,570.14 = 17,425.32 : x
  2. Step 2: Convert to fraction form
    31,572.78/43,570.14 = 17,425.32/x
  3. Step 3: Cross multiply
    31,572.78x = 43,570.14 × 17,425.32
  4. Step 4: Simplify right side
    31,572.78x = 759,223,631.94
  5. Step 5: Solve for x
    x = 759,223,631.94/31,572.78
  6. Step 6: Final answer
    x = 24,046.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.